Severe Thunderstorms and Heavy Rain Possible Across the Central U.S.; Additional Flash Flooding Potential in the Mid-Atlantic

Strong thunderstorms are forecast across parts of the Central Plains and Midwest today with damaging wind gusts, large hail, and heavy rainfall the primary threats. Heavy rain and scattered flash flooding is also possible across the Carolinas into Virginia. Elevated to critical fire weather concerns in the Four Corners region as Extreme Heat Warnings remain in effect across the Desert Southwest. Read More >

In the United States new 30-year normals are calculated every ten years. The most recent normals (using 1991-2020 data) are listed below, along with the previous set of normals (from 1981-2010), and the difference between the two normals packages. Click on the images to see larger versions.

Or, click here to see comparisons between the new normals and the previous (1981-2010) set of normals in graphical format for local cities (BWG, FFT, LEX, SDF, LOU).

TEMPERATURE

ANNUAL
1991-2020			Difference Between Old and New			1981-2010
Mean	Maximum	Minimum	Mean	Maximum	Minimum	Mean	Maximum	Minimum

SEASONAL
	1991-2020			Difference Between Old and New			1981-2010
	Mean	Maximum	Minimum	Mean	Maximum	Minimum	Mean	Maximum	Minimum
Spring
Summer
Autumn
Winter

MONTHLY
	1991-2020			Difference Between Old and New			1981-2010
	Mean	Maximum	Minimum	Mean	Maximum	Minimum	Mean	Maximum	Minimum
January
February
March
April
May
June
July
August
September
October
November
December

PRECIPITATION

ANNUAL
	Difference Between Old and New
1991-2020	Percentage Change	Value Difference	1981-2010

SEASONAL
		Difference Between Old and New
	1991-2020	Percentage Change	Value Difference	1981-2010
Spring
Summer
Autumn
Winter

MONTHLY
		Difference Between Old and New
	1991-2020	Percentage Change	Value Difference	1981-2010
January
February
March
April
May
June
July
August
September
October
November
December